Finding the Fourth Proportional to 2,477,207,998.80, 3,715,811,998.20 and 841,432,600.80
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Solution
The fourth proportional to 2,477,207,998.80, 3,715,811,998.20 and 841,432,600.80 is: 1,262,148,901.20
Step by Step Solution
- Step 1: Write the proportion equation
2,477,207,998.80 : 3,715,811,998.20 = 841,432,600.80 : x - Step 2: Convert to fraction form
2,477,207,998.80/3,715,811,998.20 = 841,432,600.80/x - Step 3: Cross multiply
2,477,207,998.80x = 3,715,811,998.20 × 841,432,600.80 - Step 4: Simplify right side
2,477,207,998.80x = 3,126,605,353,729,270,784 - Step 5: Solve for x
x = 3,126,605,353,729,270,784/2,477,207,998.80 - Step 6: Final answer
x = 1,262,148,901.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.